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Title: Towards simultaneous measurements of electronic and structural properties in ultra-fast x-ray free electron laser absorption spectroscopy experiments

Journal Article · · Scientific Reports
DOI:https://doi.org/10.1038/srep04724· OSTI ID:1187991
 [1];  [2];  [3];  [4];  [5];  [6];  [2];  [5];  [5];  [7];  [7];  [8];  [9];  [7];  [5];  [2]
  1. Univ. Bordeaux, Talence (France); Gwangju Inst. of Science and Technology, Gwangju (Korea, Republic of)
  2. Univ. Bordeaux, Talence (France)
  3. Gwangju Inst. of Science and Technology, Gwangju (Korea, Republic of)
  4. Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States)
  5. SLAC National Accelerator Laboratory, Menlo Park, CA (United States)
  6. DESY, Hamburg (Germany); Lab. pour l’Utilisation des Lasers Intenses, Palaiseau (France)
  7. European XFEL, Hamburg (Germany)
  8. Helmholtz Zentrum Geesthacht, Geesthacht (Germany)
  9. DESY, Hamburg (Germany)
+ Show Author Affiliations

The rapidly growing ultrafast science with X-ray lasers unveils atomic scale processes with unprecedented time resolution bringing the so called “molecular movie” within reach. X-ray absorption spectroscopy is one of the most powerful x-ray techniques providing both local atomic order and electronic structure when coupled with ad-hoc theory. Collecting absorption spectra within few x-ray pulses is possible only in a dispersive setup. We demonstrate ultrafast time-resolved measurements of the LIII-edge x-ray absorption near-edge spectra of irreversibly laser excited Molybdenum using an average of only few x-ray pulses with a signal to noise ratio limited only by the saturation level of the detector. The simplicity of the experimental set-up makes this technique versatile and applicable for a wide range of pump-probe experiments, particularly in the case of non-reversible processes.

Research Organization:
SLAC National Accelerator Laboratory (SLAC), Menlo Park, CA (United States)
Sponsoring Organization:
USDOE Office of Science (SC), Fusion Energy Sciences (FES)
Grant/Contract Number:
SF00515
OSTI ID:
1187991
Journal Information:
Scientific Reports, Vol. 4, Issue 96; ISSN 2045-2322
Publisher:
Nature Publishing GroupCopyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 18 works
Citation information provided by
Web of Science

References (14)

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Statistical and coherence properties of radiation from x-ray free-electron lasers journal March 2010
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Cited By (7)

Development of new diagnostics based on LiF detector for pump-probe experiments journal July 2018
Probing warm dense matter using femtosecond X-ray absorption spectroscopy with a laser-produced betatron source journal August 2018
Core-level nonlinear spectroscopy triggered by stochastic X-ray pulses journal October 2019
Measurement of Electron-Ion Relaxation in Warm Dense Copper journal January 2016
Time-resolved X-ray spectroscopies of chemical systems: New perspectives journal May 2016
Applications of laser wakefield accelerator-based light sources journal September 2016
Linac Coherent Light Source: The first five years journal March 2016

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Related Subjects

74 ATOMIC AND MOLECULAR PHYSICS